diff --git a/.github/workflows/pythonapp.yml b/.github/workflows/pythonapp.yml
index be50a81c..47a186f3 100644
--- a/.github/workflows/pythonapp.yml
+++ b/.github/workflows/pythonapp.yml
@@ -26,7 +26,6 @@ jobs:
       run: |
         pip install poetry
         poetry install
-        poetry install --dev
 
     - name: Lint with flake8
       run: |
diff --git a/README.md b/README.md
index 82ef495f..b2620478 100644
--- a/README.md
+++ b/README.md
@@ -38,8 +38,8 @@ There are different ways to deploy MOSP.
 $ git clone https://github.com/CASES-LU/MOSP.git
 $ cd MOSP/
 $ npm install
-$ pipenv install
-$ pipenv shell
+$ poetry install
+$ poetry shell
 $ python manager.py db_create
 $ python manager.py db_init
 $ python manager.py import_licenses_from_spdx